[set92]

I had to access the solution for std because I missed the right position of 2, I put it after the parenthesis. And in Fnorm I had to check it in the comments because I didn't thought of the similarity with the m.prod() and the list.

Is a cool experiment, and it could be good to lose the fear in papers. Maybe you could add some exercises with formulas or different papers that are a must read.